Boards by fredriknk

16 boards

Open-source boards designed in KiCad by fredriknk on GitHub, from 16 repositories. A board’s address here is its repository’s there.

4 layers31.4 × 70 mm
UPLC Panel
fredriknk/uPLC-Stack
Quick note, this is then panelization repo, head for the individual repos to get design files.
226 parts9
4 layers31.4 × 22 mm
UPLC Digital
fredriknk/uPLC-Digital
I now have two prototypes of the uPLC-Digital so ESP-Home integrations will come soon.
64 parts5MIT
4 layers31.4 × 22 mm
UPLC Analog
fredriknk/uPLC-Analog
I now have two prototypes of the uPLC-Analog so ESP-Home integrations will come soon.
69 parts4MIT
4 layers31.4 × 22 mm
Uplc
fredriknk/uPLC-Relay
I now have two prototypes of the uPLC-Relay so ESP-Home integrations will come soon.
53 parts4MIT
4 layers100 × 80 mm
Chatgpt astra test2
fredriknk/chatgpt_astra_test2
Completely vibe coded ESP32 4-20ma input/output module
97 parts3MIT
2 layers116 × 31 mm
Opengeiger
fredriknk/eikgeiger
IOT Geigercounter for workshop
96 parts3MIT
2 layers100 × 100 mm
Arduino gameboy
fredriknk/arduino_gameboy

16 partsMIT
2 layers100 × 100 mm
Esp motioncontroller
fredriknk/esp-motioncontroller

78 partsMIT
2 layers52.3 × 20 mm
Esprelay
fredriknk/esprelay
ESP8266 small signal relay module utilizing an ESP-12-F wifi module for communication and MCU, and has two 2.5-25V inputs, and a single 25v, 100ma high speed open drain output through a TBD062003 DMOS transistor array…
42 partsMIT
2 layers22.3 × 19.3 mm
Ledstrip conn type 1
fredriknk/led_strip
Ledstrip connectors for led cube project
4 partsMIT
2 layers124 × 60 mm
Eurocard mux
fredriknk/manual_multiplexer
10ch -> 10A - 10B mux board for ert measurements. Uses dpdt latching relays to switch between A and B channels. and has front and rear connectors for easy wiring. Allso includes diodes for indicating relay state.
20 partsBSD-3-Clause
4 layers91 × 30 mm
Methanesense
fredriknk/msense
Open Source hardware kicad source files for a NRF9160 based methane sensor utilizing MOX sensor.
145 partsMIT
4 layers27 × 94.5 mm
Soilmoisture
fredriknk/SoilSense

21 partsGPL-3.0
4 layers160 × 60 mm
Spimux
fredriknk/spimux

147 partsBSD-3-Clause
4 layers90 × 21 mm
Soilsense
fredriknk/ssense
Open hardware for a Zigbee nrf52833 soil moisture probe, It is designed for using M3 stainless steel rods as probes screwed into the headers H1,H2,H3.
74 partsMIT
4 layers113 × 25.1 mm
Ssense lte
fredriknk/ssense-lte
This is the kicad template i use for my projects. The latest addition is a buildoutputs.py automating picture generation, 3d models and sch/prints, Gerbers ETC! Pretty sweet!
123 partsMIT